نتایج جستجو برای: hydraulic gate

تعداد نتایج: 71496  

Journal: :The Open Civil Engineering Journal 2022

Background: Hydraulic jump is considered the most appropriate option for designers to dissipate energy through stilling basins. Methods: Tests on a screen that produced submerged hydraulic were conducted of water passing beneath vertical gate. Various positions in sudden expanding basin investigated. In comparison no-screen case, effect downstream gate surface profile was also Results: The best...

Journal: :Intelligent Automation & Soft Computing 2012
Rui Zhang Chunjiang Zhao Xiu Wang Zhijun Meng Liping Chen Wei Ma

Fertilizer application control in reason is the key technology to improve operation quality, reduce fertilizer pollution, and cut down costs of production. A control system of variable rate fertilizer is developed based on microcontroller chip in the paper. The system can automatically control flow dosage by adjusting feed gate opening size and changing hydraulic motor speed of fertilizer conve...

Journal: :Research Journal of Applied Sciences, Engineering and Technology 2015

Journal: :Przegląd Naukowy Inżynieria i Kształtowanie Środowiska 2020

Journal: :Transactions of the Japan Society of Civil Engineers 1956

Journal: :Journal of Irrigation and Drainage Engineering 2011

Journal: :Equipment, Technologies, Materials 2022

There is an urgent need worldwide for efficient fluid control equipment. Some of the existing equipment has certain limitations under high pressure conditions. Thus, design modifications are required to solve this problem. This article presented a analytical method designing and performing stress analysis valve used on typical oil gas wellhead with operating pressures up 100 MPa. The most impor...

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